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2026-04-17 - 11:49
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Fri Apr 17, 2026 00:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
157972172102,7sleep00-21swapper/019:07:470
15950216597,7sleep30-21swapper/319:09:473
157462117106,8sleep10-21swapper/119:07:081
157742113104,6sleep20-21swapper/219:07:292
87562610,0sleep30-21swapper/323:45:183
178562580,0sleep30-21swapper/320:05:163
101112570,0sleep00-21swapper/021:25:150
296812560,0sleep20-21swapper/222:10:172
236652550,0sleep10-21swapper/120:40:141
1615399270,26cyclictest0-21swapper/222:51:442
1615399270,26cyclictest0-21swapper/220:23:042
16149992719,7cyclictest0-21swapper/100:16:331
1614999270,26cyclictest0-21swapper/123:25:471
1614999270,26cyclictest0-21swapper/121:00:191
1614999270,26cyclictest0-21swapper/120:10:131
1614999270,26cyclictest0-21swapper/120:04:421
1614699270,26cyclictest0-21swapper/022:42:590
16153992622,3cyclictest0-21swapper/219:15:052
1615399260,25cyclictest0-21swapper/221:21:362
1615399260,25cyclictest0-21swapper/220:32:242
1614999260,2cyclictest0-21swapper/123:30:091
1614999260,25cyclictest0-21swapper/122:03:141
1614999260,25cyclictest0-21swapper/119:14:031
1615399250,25cyclictest0-21swapper/222:31:142
1615399250,24cyclictest0-21swapper/220:56:332
1615399250,19cyclictest0-21swapper/222:08:592
16149992522,2cyclictest0-21swapper/119:57:341
1614999250,24cyclictest0-21swapper/123:20:591
1614999250,24cyclictest0-21swapper/123:06:561
1614999250,24cyclictest0-21swapper/121:31:091
1614999250,24cyclictest0-21swapper/100:32:061
1614999250,24cyclictest0-21swapper/100:11:391
1614699250,19cyclictest0-21swapper/000:00:000
16153992416,7cyclictest0-21swapper/200:28:182
16149992422,2cyclictest0-21swapper/121:15:491
16149992417,7cyclictest0-21swapper/120:16:061
16146992422,1cyclictest25471-21dpkg19:45:000
1615399239,13cyclictest0-21swapper/200:15:252
16153992321,2cyclictest0-21swapper/222:02:022
1615399231,21cyclictest0-21swapper/219:51:242
1615399230,22cyclictest0-21swapper/223:43:362
1615399230,22cyclictest0-21swapper/219:43:482
16149992321,2cyclictest0-21swapper/120:25:091
16149992320,2cyclictest0-21swapper/123:53:061
16149992319,3cyclictest0-21swapper/123:13:201
16149992319,3cyclictest0-21swapper/119:39:151
16149992316,7cyclictest0-21swapper/121:54:531
16149992316,7cyclictest0-21swapper/121:54:531
1614999230,22cyclictest0-21swapper/100:23:241
16153992218,3cyclictest0-21swapper/222:27:142
16153992218,3cyclictest0-21swapper/221:25:222
1615399220,21cyclictest0-21swapper/223:18:202
1614999227,14cyclictest0-21swapper/122:35:111
16149992220,2cyclictest0-21swapper/122:42:471
16149992219,3cyclictest0-21swapper/121:48:041
16149992218,3cyclictest0-21swapper/121:25:101
1614999221,20cyclictest0-21swapper/123:56:031
1614999221,20cyclictest0-21swapper/122:52:321
1614999220,21cyclictest0-21swapper/123:48:031
1614999220,21cyclictest0-21swapper/123:18:021
1614999220,21cyclictest0-21swapper/122:21:341
1614699225,15cyclictest14348-21apt-get23:25:120
1614699220,21cyclictest0-21swapper/021:18:120
16153992119,2cyclictest0-21swapper/223:31:392
16153992119,1cyclictest749-21snmpd23:05:022
16153992114,7cyclictest0-21swapper/223:23:292
1615399211,19cyclictest0-21swapper/219:25:262
16149992119,2cyclictest0-21swapper/120:58:331
16149992119,2cyclictest0-21swapper/100:29:091
1614999211,19cyclictest0-21swapper/121:21:181
1614999211,16cyclictest0-21swapper/119:30:111
1614999210,3cyclictest0-21swapper/123:02:021
1614999210,3cyclictest0-21swapper/122:58:021
1614999210,3cyclictest0-21swapper/121:59:101
1614999210,2cyclictest0-21swapper/122:49:371
1614999210,20cyclictest0-21swapper/123:40:001
1614999210,20cyclictest0-21swapper/122:28:411
1614999210,20cyclictest0-21swapper/121:43:021
1614999210,20cyclictest0-21swapper/120:05:061
1614999210,20cyclictest0-21swapper/119:18:501
1614999210,20cyclictest0-21swapper/100:38:181
1614999210,15cyclictest0-21swapper/122:10:231
16146992119,1cyclictest24134-21kthreadcore20:10:150
1614699210,20cyclictest619-21cut19:20:170
1614699210,20cyclictest0-21swapper/023:31:510
1615399203,15cyclictest7766-21tr21:50:192
1615399203,15cyclictest7766-21tr21:50:192
16153992018,2cyclictest0-21swapper/222:17:142
16153992018,1cyclictest749-21snmpd23:50:302
16153992018,1cyclictest749-21snmpd22:49:502
16153992018,1cyclictest749-21snmpd21:32:432
16153992018,1cyclictest749-21snmpd19:33:492
16153992018,1cyclictest749-21snmpd19:12:242
16153992014,6cyclictest0-21swapper/220:01:122
1615399200,3cyclictest0-21swapper/219:22:002
1615399200,2cyclictest2591-21idleruntime-cro23:15:002
1615399200,2cyclictest0-21swapper/221:09:072
1615399200,20cyclictest0-21swapper/220:50:552
1615399200,20cyclictest0-21swapper/219:55:252
1615399200,19cyclictest0-21swapper/220:18:242
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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